The assisted reproductive technique where embryos with more than 8 blastomeres are transferred into the human uterus is known as:
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → IUT
Option (1) ICSI — Incorrect. In intra cytoplasmic sperm injection, a sperm is injected directly into the ovum in the laboratory to form an embryo.
Option (2) ZIFT — Incorrect. In zygote intra fallopian transfer, the zygote or an early embryo with up to 8 blastomeres is put into the fallopian tube, not the uterus.
Option (3) GIFT — Incorrect. In gamete intra fallopian transfer, an ovum from a donor is put into the fallopian tube of a female who cannot produce ova; no embryo is transferred.
Option (4) IUT — Correct. In intra uterine transfer, embryos with more than 8 blastomeres are put into the uterus.
NCERT Extract:
Infertility – …
